Home / 62,420.20-93,630.30-36,111.40

Finding the Fourth Proportional to 62,420.20, 93,630.30 and 36,111.40

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Solution

The fourth proportional to 62,420.20, 93,630.30 and 36,111.40 is: 54,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,420.20 : 93,630.30 = 36,111.40 : x
  2. Step 2: Convert to fraction form
    62,420.20/93,630.30 = 36,111.40/x
  3. Step 3: Cross multiply
    62,420.20x = 93,630.30 × 36,111.40
  4. Step 4: Simplify right side
    62,420.20x = 3,381,121,215.42
  5. Step 5: Solve for x
    x = 3,381,121,215.42/62,420.20
  6. Step 6: Final answer
    x = 54,167.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.